1.The system can be operated nearer set pressure without valve leskage.2.The soft seat design provides good seat tightness before and after each relief cycle.3.Proper valve ...
GAA27H type are used for the equipment and pipeline of water,air,steam etc.Medium what the working temperature are less than 200°C.A27Y type are used for the...
Product Information: This type at a working temperture less than 400c-450c, and are used for the equipment and pipeliness with such media as air&c...
1.Good tightness and long useful life.2.Internal hole adopts special processing technology which has little attrition friction, sensitive reaction.3.To im...